Other Information
� If you are having problems making calls, unplug the extension and connect a known working telephone. If the known working telephone operates properly, have the defective telephone repaired by an authorized Panasonic Factory Servicenter. If the known working telephone does not operate properly, check the PBX System and the internal extension wiring. � Keep the unit away from heating appliances and devices that generate electrical noise, such as fluorescent lamps, motors and televisions. These noise sources can interfere with the performance of the unit. It also should not be placed in rooms where the temperature is less than 5 �C (41 �F) or greater than 40 �C (104 �F). Allow 10 cm (3-15/16 in) clearance around the unit for proper ventilation. Avoid environments with excessive smoke, dust, mechanical vibration, shock, or direct sunlight. � Wipe the unit with a soft cloth. Do not clean the unit with abrasive powders or with chemical agents such as benzine or thinner. � Use only the correct Panasonic handset. � Do not disassemble this unit. Dangerous electrical shock could result. The unit must only be disassembled and repaired by qualified service technicians. � If damage to this unit exposes any internal parts, immediately disconnect the telephone line and mains supply. Then return the unit to a servicenter.
